LEGO 70431 The Lighthouse of Darkness: Set Guide

Specifications

Set number	70431
Release year	2020
Piece count	548
Minifigures	5
Theme	Hidden Side
Building instructions	Download the instructions on lego.com

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LEGO set 70431, The Lighthouse of Darkness, depicts an eerie lighthouse within the Hidden Side theme.

The Lighthouse of Darkness is part of Hidden Side, a LEGO theme built around familiar locations affected by ghostly events. The subject is a lighthouse, but the set treats it as a haunted setting for investigation and paranormal storytelling rather than as a straightforward coastal structure.

The character selection ties the model to the Hidden Side cast and provides a basis for minifigure play, with the product also associated with the augmented reality experience described for this release.

It suits builders who want a distinctive location with narrative value, either for display or for role play. Within Hidden Side, it belongs with the theme’s haunted places and can be used to extend a collection focused on ghost stories, investigators and unusual buildings.

Inventory of set 70431

The inventory of set 70431 lists 548 pieces, spare parts excluded: 246 different lots (one shape in one color) for 196 part shapes. The box also contains 22 spare parts, for small elements that are easy to lose.

Colors of set 70431

Main color: light bluish gray, making up 19% of the parts, followed by dark bluish gray (16%) and white (13%).

Color	Parts	Share
Light Bluish Gray	102	19%
Dark Bluish Gray	88	16%
White	72	13%
Black	56	10%
Reddish Brown	49	8.9%
Olive Green	21	3.8%
Tan	18	3.3%
Yellowish Green	12	2.2%
Dark Purple	12	2.2%
Trans-Neon Green	11	2%
Other colors (28)	106	19%

Part types

Type	Parts	Share
Plates	69	13%
Plates Special	67	12%
Bricks	52	9.5%
Bricks Sloped	45	8.2%
Bricks Curved	44	8%
Plates Round Curved and Dishes	31	5.7%

Most common parts in set 70431

Part	Color	Quantity
Plate Round 1 x 1 with Solid Stud 6141	Olive Green	13
Brick Arch 1 x 3 x 2 Curved Top 6005	White	12
Plate 2 x 2 3022	White	9
Brick Sloped 45° 2 x 1 with Bottom Pin 3040b	Dark Bluish Gray	9
Plate Special 1 x 4 with 2 Studs with Groove [New Underside] 41740	Reddish Brown	9
Tile Special 1 x 2 with Sloped Walls AKA Money / Gold Bar [Ingot] 99563	Light Bluish Gray	9
Plate Special 1 x 1 with Tooth 49668	Yellowish Green	8
Brick Curved 1 x 2 x 1 1/3 with Curved Top 6091	Dark Purple	8
Plate Special 1 x 2, Top Clip [Split] 92280	White	8
Tile 2 x 2 Curved, Macaroni 27925	Light Bluish Gray	7

164 of the 196 part shapes in this set have their own page on Setopedia, with their colors, element numbers and the other sets that use them. See all LEGO parts

Exclusive parts in set 70431

6 part shapes in set 70431 appear in no other set in the catalog, most often printed elements, stickers or molds specific to the model. If one gets lost, you will need to look for it individually, for example on BrickLink, rather than in another set. Counting colors, 9 lots in the set are not found in any other set.

Part	Color
Sticker Sheet for Set 70431-1 67026
Hips and Tan Legs with Bright Light Orange Patch, Straps with Leaf, Silver Toes Print 970c26pr1854	Dark Orange
Torso Jacket with Silver Clasps, Brown Collar Print, Sand Green Arms, Black Hands 973c25h03pr5040	Sand Green
Torso Dive Suit, Dark Orange Collar with Rivets and Belt, Green Seaweed, Apparatus with Gauge Print, Tan Arms, Dark Orange Hands 973c26h41pr5054	Tan
Minifig Head Ghost, with Yellowish Green Face, Yellow Eyes, Open Mouth Print 3626cpr3133	Trans-Neon Green
Dish 3 x 3 Inverted [Radar] with Green and Lime Lightning / Bloodshot Eye Print 43898pr1006	Yellowish Green

No similarly sized set supplies more than a quarter of its parts: set 70431 relies on a little-shared assortment.

Size of set 70431 within its line

With 548 pieces, set 70431 ranks #7 out of 23 Hidden Side sets in our database, which have an average of 424 parts. Among the 490 sets released in 2020, it ranks #98.

Included minifigures

Skeleton, Standard Face, Bent Arms, Vertical Hand Clips, 60115 TorsoQuantity : 1
Claus StormwardQuantity : 1
Jack Davids, Red Jacket with Backwards Red CapQuantity : 1
Jennie NapoQuantity : 1
Parker L. Jackson, Bright Light Blue Denim Jacket, Medium Lavender Hair with Headphones, Angry / SmirkQuantity : 1

Frequently asked questions

How many pieces does LEGO set 70431 The Lighthouse of Darkness have?

LEGO set 70431 The Lighthouse of Darkness has 548 pieces. It was released in 2020 as part of the Hidden Side theme.

What year was LEGO set 70431 released?

Set 70431 The Lighthouse of Darkness was released in 2020 and belongs to the Hidden Side theme.

Which minifigures are included in set 70431?

Number of minifigures in LEGO set 70431 The Lighthouse of Darkness: 5. Their names and quantities are listed in the “Included minifigures” section.

Where can I find the building instructions for set 70431?

The instructions for LEGO set 70431 The Lighthouse of Darkness can be downloaded free as a PDF from the official lego.com website, under “Building Instructions”, by entering the number 70431.

What is the main color of LEGO set 70431?

Light bluish gray, with 102 out of 548 pieces, or 19%. Next come dark bluish gray (16%) and white (13%).

How many different parts does set 70431 contain?

Set 70431 has 246 different lots (one shape in one color), covering 196 part shapes. Most common part: Plate Round 1 x 1 with Solid Stud in olive green, with 13 copies.

Does LEGO set 70431 contain any exclusive parts?

Yes: 6 part shapes exist in no other set, for example: Sticker Sheet for Set 70431-1.

Is The Lighthouse of Darkness mainly a maritime model?

It uses a lighthouse as its subject, but its role in Hidden Side is supernatural. The set is framed more as a haunted story location than as a neutral seaside building.